I87.0 Postthrombotic syndromeNon-billable header with 5 child codes.
I87.00 Postthrombotic syndrome without complicationsI87.01 Postthrombotic syndrome with ulcerI87.02 Postthrombotic syndrome with inflammationI87.03 Postthrombotic syndrome with ulcer and inflammationI87.09 Postthrombotic syndrome with other complicationsI87.3 Chronic venous hypertension (idiopathic) ("chronic venous hypertension due to deep vein thrombosis (I87.0-)")I87 Other disorders of veinsI87.0 Postthrombotic syndrome (this code)I87.00 Postthrombotic syndrome without complicationsI87.001 Postthrombotic syndrome without complications of right lower extremityI87.002 Postthrombotic syndrome without complications of left lower extremityI87.003 Postthrombotic syndrome without complications of bilateral lower extremityI87.009 Postthrombotic syndrome without complications of unspecified extremity